US2508745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon esters of hydrocarbonylthiolsulfinic acids and their process of preparation
Assignee: STWB Inc
•
Filing: 1946-12-18
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Granted: 1950-05-23
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Expires: 1966-12-18
Abstract
No abstract record available.
Inventors
- 👤 Chester J Cavallito
- 👤 La Verne D Small
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:18
CPC Classifications
C; C07; C07C; C07C381/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
15 words
THE PROCESS FOR PREPARING AN ALKYL ALKANETHIOSULFINATE WHICH COMPRISES TREATING A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-22 | 1953-11-21 | 1954-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-22 | 1957-11-21 | 1958-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-22 | 1961-11-21 | 1962-05-23 | $7700.00 | Window Closed / Lapsed |